/// Load the next event
bool LCIOEventHandler::NextEvent() {
m_data.clear();
m_hasEvent = false;
m_branches.clear();
m_data.clear();
if ( hasFile() ) {
m_event = m_lcReader->readNextEvent();
if ( m_event ) {
typedef std::vector<std::string> _S;
const _S* collnames = m_event->getCollectionNames();
for( _S::const_iterator i = collnames->begin(); i != collnames->end(); ++i) {
LCCollection* c = m_event->getCollection(*i);
m_data[c->getTypeName()].push_back(make_pair((*i).c_str(),c->getNumberOfElements()));
m_branches[*i] = c;
}
m_hasEvent = true;
return 1;
}
throw runtime_error("+++ EventHandler::readEvent: Failed to read event");
}
throw runtime_error("+++ EventHandler::readEvent: No file open!");
}
